110-52-1
1,4-二溴丁烷
+
611-10-9
2-氧代环戊羧酸乙酯
→
~79%
50418-60-5
ethyl 1-(4-bromobutyl)-2-oxocyclopentane-1-carboxylate
57416-39-4
sodium enolate of ethyl 2-oxocyclopentanecarboxylate